In a div that has overflow:scroll, how do I check what position the scroll is at?

Using JQuery.

How do I know if it's scr开发者_如何学Goolled to the middle? Top? Bottom?

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You can use the element's scrollLeft, scrollTop, scrollWidth and scrollHeight properties to find out the status of the element's scrolling.

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jQuery will allow you to get scrollTop property like an attribute...

$('element').attr('scrollTop');

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scrollTop gets or sets the number of pixels that the content of an element is scrolled upward

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